Improvement in furniture-casters



PTENT OFFICE.

JOHN 13. OHMER, OF DAYTON, OHIO.

IMPROVEMENT IN FURNITURE-CASTERS.

Specifilzation forming part of Letters Patent T0 all whom z't mag concem:

Be it known th'at I, J 012m F. OHMER, of Dayton, in the county of Montgomery and in the State of Ohio, have invented certain new and nseful Improvements in (Jast'ers; and do hereby declare that the following is 211 full, elear,

and exact desoription thereof, reference being had to the accompanying dmwings and to the letters of refeTence marked thereon,-making a part of this speeifieation.

The nature of n1y invention consists of a! furnitnre-caster, in whicl1 a solid screw for entering the t'urniture-leg, a plate 0r flange to 2 is a frontview of the same, 2tnd Fig. 3 is a vertical section of the ca'ster.

A represents the ordinary wheel or r0ller, revolving upon a pin, a, in the horn B. CL-his horn is formed Wit-h a lvub 0r projeetion, b, on top. C is a plante, forn1ed with a solid serew, D, a.nd a rivet, d, es shown. The rivet d is N0. 168,773, dated Oet0ber 11, 1875; application filed April 13, 1875.

passed through the hub b, and riveted on the When thennder side between the horns. serew D is serewed into the leg E the friction is between the plate G and hub b 0f the casterhorns the l1ub also giving additional strength to the ez'mster. 'll1e thread 0f the sorew D be gins at the end 'sharp and narroW, and widens gradually as it approa5ehes the platte, so als 110 wedge itself into the wood. This gives it a tendency tot hold more seeure into the wood. The plate O, n 0t being adapted to nails 01 sorews, oetn be made s'mall, so as not to projeet over af'ter being applied to a sfnall foot.

Tl1is easter 02m be rn'anufeetnred streng sind olieap, and is applied without the use of nails or screws, and Can be detached at pleasure.

H-aving thus fully desoribed n1y invention,

what L elaim es new, and des ire t0 seeure by Letters Patent, is

The solid sorew D, the disk 0r flange G, and

therivet d, formed of one pieoe of meta-l, in

JOHN F. OHMER. Witnesses:

JAMES KELLY,'

JOHN M. SPRIGG. 

